package cn.tedu.csmall.product.web;

import cn.tedu.csmall.product.ex.ServiceCode;
import cn.tedu.csmall.product.ex.ServiceException;
import lombok.Data;

import java.io.Serializable;

@Data
public class JsonResult<T> implements Serializable {
    /**
     * 业务状态码
     * */
    private Integer state;
    /**
     * 提示消息
     * */
    private String message;
    /**
     * 成功时响应的数据
     */
    private T data;

    public JsonResult(){

    }

    private JsonResult(Integer state,String message,T data){
        this.state = state;
        this.message = message;
        this.data = data;
    }

    public static JsonResult<Void> ok(){
        return ok(null);
    }

    public static <T> JsonResult <T> ok(T data){
        return new JsonResult(ServiceCode.OK.getValue(),null,data);
    }

    public static JsonResult <Void> fail(ServiceException e){
        return fail(e.getServiceCode().getValue(),e.getMessage());
    }

    public static JsonResult<Void> fail(Integer state,String message){
        return new JsonResult(state,message,null);
    }

}
